They appear to be restrikes or replicas of 19th c. European gold issues.
In your first picture:
Row 1 - 1809 Half Guinea, Great Britain, George III; 1870 20 Francs (Type 3), Belgium, Leopold II; 1871?-A (Paris) 20 Francs, France, Republic Row 2 - The same Belgium 20 fr. as above; 1859 A (Paris) 20 Francs, France, Napoleon III; 1882 KB (Kremnica) 20 Francs/8 Forint, Hungary, Franz Josef
Second picture also shows an 1808 A (Paris) 20 Francs from France of Napoleon I; an 1866 20 Francs from France of Napoleon III; and a 5 rouble (1897-1911) from Russia of Nikolai II.
All of these coins were struck in gold, not silver, so unless these are gold, you have either base metal replicas or silver collector copies.
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